Logan's loss of his self-healing skill and an ailing Professor Xavier suggests at the fates of the characters at the end of the movie.
It had been affirmed within an interview with xmen Producer Simon Kinberg, that this was not the situation and the R ranking was always planning to happen. You can't even correctly spell, this film was nicely paced, well edited, had lots of narrative beats that are great, everything felt quite nuanced. [ Link Details for Logan (20 17) '” The Film Database (TMDb) ]